1 /* Copyright (C) 2003-2013 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
2 *
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License version 2 as
5 * published by the Free Software Foundation.
6 */
7
8 /* Kernel module implementing an IP set type: the hash:ip,port,net type */
9
10 #include <linux/jhash.h>
11 #include <linux/module.h>
12 #include <linux/ip.h>
13 #include <linux/skbuff.h>
14 #include <linux/errno.h>
15 #include <linux/random.h>
16 #include <net/ip.h>
17 #include <net/ipv6.h>
18 #include <net/netlink.h>
19 #include <net/tcp.h>
20
21 #include <linux/netfilter.h>
22 #include <linux/netfilter/ipset/pfxlen.h>
23 #include <linux/netfilter/ipset/ip_set.h>
24 #include <linux/netfilter/ipset/ip_set_getport.h>
25 #include <linux/netfilter/ipset/ip_set_hash.h>
26
27 #define IPSET_TYPE_REV_MIN 0
28 #define IPSET_TYPE_REV_MAX 0 /* Comments support added */
29
30 MODULE_LICENSE("GPL");
31 MODULE_AUTHOR("Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa>");
32 IP_SET_MODULE_DESC("hash:net,port,net", IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX);
33 MODULE_ALIAS("ip_set_hash:net,port,net");
34
35 /* Type specific function prefix */
36 #define HTYPE hash_netportnet
37 #define IP_SET_HASH_WITH_PROTO
38 #define IP_SET_HASH_WITH_NETS
39 #define IPSET_NET_COUNT 2
40
41 /* IPv4 variant */
42
43 /* Member elements */
44 struct hash_netportnet4_elem {
45 union {
46 __be32 ip[2];
47 __be64 ipcmp;
48 };
49 __be16 port;
50 union {
51 u8 cidr[2];
52 u16 ccmp;
53 };
54 u8 nomatch:1;
55 u8 proto;
56 };
57
58 /* Common functions */
59
60 static inline bool
61 hash_netportnet4_data_equal(const struct hash_netportnet4_elem *ip1,
62 const struct hash_netportnet4_elem *ip2,
63 u32 *multi)
64 {
65 return ip1->ipcmp == ip2->ipcmp &&
66 ip1->ccmp == ip2->ccmp &&
67 ip1->port == ip2->port &&
68 ip1->proto == ip2->proto;
69 }
70
71 static inline int
72 hash_netportnet4_do_data_match(const struct hash_netportnet4_elem *elem)
73 {
74 return elem->nomatch ? -ENOTEMPTY : 1;
75 }
76
77 static inline void
78 hash_netportnet4_data_set_flags(struct hash_netportnet4_elem *elem, u32 flags)
79 {
80 elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
81 }
82
83 static inline void
84 hash_netportnet4_data_reset_flags(struct hash_netportnet4_elem *elem, u8 *flags)
85 {
86 swap(*flags, elem->nomatch);
87 }
88
89 static inline void
90 hash_netportnet4_data_reset_elem(struct hash_netportnet4_elem *elem,
91 struct hash_netportnet4_elem *orig)
92 {
93 elem->ip[1] = orig->ip[1];
94 }
95
96 static inline void
97 hash_netportnet4_data_netmask(struct hash_netportnet4_elem *elem,
98 u8 cidr, bool inner)
99 {
100 if (inner) {
101 elem->ip[1] &= ip_set_netmask(cidr);
102 elem->cidr[1] = cidr;
103 } else {
104 elem->ip[0] &= ip_set_netmask(cidr);
105 elem->cidr[0] = cidr;
106 }
107 }
108
109 static bool
110 hash_netportnet4_data_list(struct sk_buff *skb,
111 const struct hash_netportnet4_elem *data)
112 {
113 u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
114
115 if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, data->ip[0]) ||
116 nla_put_ipaddr4(skb, IPSET_ATTR_IP2, data->ip[1]) ||
117 nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
118 nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) ||
119 nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) ||
120 nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
121 (flags &&
122 nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
123 goto nla_put_failure;
124 return 0;
125
126 nla_put_failure:
127 return 1;
128 }
129
130 static inline void
131 hash_netportnet4_data_next(struct hash_netportnet4_elem *next,
132 const struct hash_netportnet4_elem *d)
133 {
134 next->ipcmp = d->ipcmp;
135 next->port = d->port;
136 }
137
138 #define MTYPE hash_netportnet4
139 #define PF 4
140 #define HOST_MASK 32
141 #include "ip_set_hash_gen.h"
142
143 static int
144 hash_netportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
145 const struct xt_action_param *par,
146 enum ipset_adt adt, struct ip_set_adt_opt *opt)
147 {
148 const struct hash_netportnet *h = set->data;
149 ipset_adtfn adtfn = set->variant->adt[adt];
150 struct hash_netportnet4_elem e = { };
151 struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
152
153 e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
154 e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
155 if (adt == IPSET_TEST)
156 e.ccmp = (HOST_MASK << (sizeof(e.cidr[0]) * 8)) | HOST_MASK;
157
158 if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
159 &e.port, &e.proto))
160 return -EINVAL;
161
162 ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0]);
163 ip4addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1]);
164 e.ip[0] &= ip_set_netmask(e.cidr[0]);
165 e.ip[1] &= ip_set_netmask(e.cidr[1]);
166
167 return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
168 }
169
170 static int
171 hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
172 enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
173 {
174 const struct hash_netportnet *h = set->data;
175 ipset_adtfn adtfn = set->variant->adt[adt];
176 struct hash_netportnet4_elem e = { };
177 struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
178 u32 ip = 0, ip_to = 0, ip_last, p = 0, port, port_to;
179 u32 ip2_from = 0, ip2_to = 0, ip2_last, ip2;
180 bool with_ports = false;
181 u8 cidr, cidr2;
182 int ret;
183
184 e.cidr[0] = e.cidr[1] = HOST_MASK;
185 if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
186 !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
187 !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
188 !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
189 !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS) ||
190 !ip_set_optattr_netorder(tb, IPSET_ATTR_PACKETS) ||
191 !ip_set_optattr_netorder(tb, IPSET_ATTR_BYTES)))
192 return -IPSET_ERR_PROTOCOL;
193
194 if (tb[IPSET_ATTR_LINENO])
195 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
196
197 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip) ||
198 ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2], &ip2_from) ||
199 ip_set_get_extensions(set, tb, &ext);
200 if (ret)
201 return ret;
202
203 if (tb[IPSET_ATTR_CIDR]) {
204 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
205 if (!cidr || cidr > HOST_MASK)
206 return -IPSET_ERR_INVALID_CIDR;
207 e.cidr[0] = cidr;
208 }
209
210 if (tb[IPSET_ATTR_CIDR2]) {
211 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
212 if (!cidr || cidr > HOST_MASK)
213 return -IPSET_ERR_INVALID_CIDR;
214 e.cidr[1] = cidr;
215 }
216
217 if (tb[IPSET_ATTR_PORT])
218 e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
219 else
220 return -IPSET_ERR_PROTOCOL;
221
222 if (tb[IPSET_ATTR_PROTO]) {
223 e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
224 with_ports = ip_set_proto_with_ports(e.proto);
225
226 if (e.proto == 0)
227 return -IPSET_ERR_INVALID_PROTO;
228 } else
229 return -IPSET_ERR_MISSING_PROTO;
230
231 if (!(with_ports || e.proto == IPPROTO_ICMP))
232 e.port = 0;
233
234 if (tb[IPSET_ATTR_CADT_FLAGS]) {
235 u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
236 if (cadt_flags & IPSET_FLAG_NOMATCH)
237 flags |= (IPSET_FLAG_NOMATCH << 16);
238 }
239
240 with_ports = with_ports && tb[IPSET_ATTR_PORT_TO];
241 if (adt == IPSET_TEST ||
242 !(tb[IPSET_ATTR_IP_TO] || with_ports || tb[IPSET_ATTR_IP2_TO])) {
243 e.ip[0] = htonl(ip & ip_set_hostmask(e.cidr[0]));
244 e.ip[1] = htonl(ip2_from & ip_set_hostmask(e.cidr[1]));
245 ret = adtfn(set, &e, &ext, &ext, flags);
246 return ip_set_enomatch(ret, flags, adt, set) ? -ret :
247 ip_set_eexist(ret, flags) ? 0 : ret;
248 }
249
250 ip_to = ip;
251 if (tb[IPSET_ATTR_IP_TO]) {
252 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
253 if (ret)
254 return ret;
255 if (ip > ip_to)
256 swap(ip, ip_to);
257 if (unlikely(ip + UINT_MAX == ip_to))
258 return -IPSET_ERR_HASH_RANGE;
259 }
260
261 port_to = port = ntohs(e.port);
262 if (tb[IPSET_ATTR_PORT_TO]) {
263 port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
264 if (port > port_to)
265 swap(port, port_to);
266 }
267
268 ip2_to = ip2_from;
269 if (tb[IPSET_ATTR_IP2_TO]) {
270 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to);
271 if (ret)
272 return ret;
273 if (ip2_from > ip2_to)
274 swap(ip2_from, ip2_to);
275 if (unlikely(ip2_from + UINT_MAX == ip2_to))
276 return -IPSET_ERR_HASH_RANGE;
277 }
278
279 if (retried)
280 ip = ntohl(h->next.ip[0]);
281
282 while (!after(ip, ip_to)) {
283 e.ip[0] = htonl(ip);
284 ip_last = ip_set_range_to_cidr(ip, ip_to, &cidr);
285 e.cidr[0] = cidr;
286 p = retried && ip == ntohl(h->next.ip[0]) ? ntohs(h->next.port)
287 : port;
288 for (; p <= port_to; p++) {
289 e.port = htons(p);
290 ip2 = (retried && ip == ntohl(h->next.ip[0]) &&
291 p == ntohs(h->next.port)) ? ntohl(h->next.ip[1])
292 : ip2_from;
293 while (!after(ip2, ip2_to)) {
294 e.ip[1] = htonl(ip2);
295 ip2_last = ip_set_range_to_cidr(ip2, ip2_to,
296 &cidr2);
297 e.cidr[1] = cidr2;
298 ret = adtfn(set, &e, &ext, &ext, flags);
299 if (ret && !ip_set_eexist(ret, flags))
300 return ret;
301 else
302 ret = 0;
303 ip2 = ip2_last + 1;
304 }
305 }
306 ip = ip_last + 1;
307 }
308 return ret;
309 }
310
311 /* IPv6 variant */
312
313 struct hash_netportnet6_elem {
314 union nf_inet_addr ip[2];
315 __be16 port;
316 union {
317 u8 cidr[2];
318 u16 ccmp;
319 };
320 u8 nomatch:1;
321 u8 proto;
322 };
323
324 /* Common functions */
325
326 static inline bool
327 hash_netportnet6_data_equal(const struct hash_netportnet6_elem *ip1,
328 const struct hash_netportnet6_elem *ip2,
329 u32 *multi)
330 {
331 return ipv6_addr_equal(&ip1->ip[0].in6, &ip2->ip[0].in6) &&
332 ipv6_addr_equal(&ip1->ip[1].in6, &ip2->ip[1].in6) &&
333 ip1->ccmp == ip2->ccmp &&
334 ip1->port == ip2->port &&
335 ip1->proto == ip2->proto;
336 }
337
338 static inline int
339 hash_netportnet6_do_data_match(const struct hash_netportnet6_elem *elem)
340 {
341 return elem->nomatch ? -ENOTEMPTY : 1;
342 }
343
344 static inline void
345 hash_netportnet6_data_set_flags(struct hash_netportnet6_elem *elem, u32 flags)
346 {
347 elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
348 }
349
350 static inline void
351 hash_netportnet6_data_reset_flags(struct hash_netportnet6_elem *elem, u8 *flags)
352 {
353 swap(*flags, elem->nomatch);
354 }
355
356 static inline void
357 hash_netportnet6_data_reset_elem(struct hash_netportnet6_elem *elem,
358 struct hash_netportnet6_elem *orig)
359 {
360 elem->ip[1] = orig->ip[1];
361 }
362
363 static inline void
364 hash_netportnet6_data_netmask(struct hash_netportnet6_elem *elem,
365 u8 cidr, bool inner)
366 {
367 if (inner) {
368 ip6_netmask(&elem->ip[1], cidr);
369 elem->cidr[1] = cidr;
370 } else {
371 ip6_netmask(&elem->ip[0], cidr);
372 elem->cidr[0] = cidr;
373 }
374 }
375
376 static bool
377 hash_netportnet6_data_list(struct sk_buff *skb,
378 const struct hash_netportnet6_elem *data)
379 {
380 u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
381
382 if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &data->ip[0].in6) ||
383 nla_put_ipaddr6(skb, IPSET_ATTR_IP2, &data->ip[1].in6) ||
384 nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
385 nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) ||
386 nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) ||
387 nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
388 (flags &&
389 nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
390 goto nla_put_failure;
391 return 0;
392
393 nla_put_failure:
394 return 1;
395 }
396
397 static inline void
398 hash_netportnet6_data_next(struct hash_netportnet4_elem *next,
399 const struct hash_netportnet6_elem *d)
400 {
401 next->port = d->port;
402 }
403
404 #undef MTYPE
405 #undef PF
406 #undef HOST_MASK
407
408 #define MTYPE hash_netportnet6
409 #define PF 6
410 #define HOST_MASK 128
411 #define IP_SET_EMIT_CREATE
412 #include "ip_set_hash_gen.h"
413
414 static int
415 hash_netportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
416 const struct xt_action_param *par,
417 enum ipset_adt adt, struct ip_set_adt_opt *opt)
418 {
419 const struct hash_netportnet *h = set->data;
420 ipset_adtfn adtfn = set->variant->adt[adt];
421 struct hash_netportnet6_elem e = { };
422 struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
423
424 e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
425 e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
426 if (adt == IPSET_TEST)
427 e.ccmp = (HOST_MASK << (sizeof(u8) * 8)) | HOST_MASK;
428
429 if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
430 &e.port, &e.proto))
431 return -EINVAL;
432
433 ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0].in6);
434 ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1].in6);
435 ip6_netmask(&e.ip[0], e.cidr[0]);
436 ip6_netmask(&e.ip[1], e.cidr[1]);
437
438 return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
439 }
440
441 static int
442 hash_netportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
443 enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
444 {
445 const struct hash_netportnet *h = set->data;
446 ipset_adtfn adtfn = set->variant->adt[adt];
447 struct hash_netportnet6_elem e = { };
448 struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
449 u32 port, port_to;
450 bool with_ports = false;
451 int ret;
452
453 e.cidr[0] = e.cidr[1] = HOST_MASK;
454 if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
455 !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
456 !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
457 !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
458 !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS) ||
459 !ip_set_optattr_netorder(tb, IPSET_ATTR_PACKETS) ||
460 !ip_set_optattr_netorder(tb, IPSET_ATTR_BYTES)))
461 return -IPSET_ERR_PROTOCOL;
462 if (unlikely(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_IP2_TO]))
463 return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
464
465 if (tb[IPSET_ATTR_LINENO])
466 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
467
468 ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &e.ip[0]) ||
469 ip_set_get_ipaddr6(tb[IPSET_ATTR_IP2], &e.ip[1]) ||
470 ip_set_get_extensions(set, tb, &ext);
471 if (ret)
472 return ret;
473
474 if (tb[IPSET_ATTR_CIDR])
475 e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
476
477 if (tb[IPSET_ATTR_CIDR2])
478 e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
479
480 if (unlikely(!e.cidr[0] || e.cidr[0] > HOST_MASK || !e.cidr[1] ||
481 e.cidr[1] > HOST_MASK))
482 return -IPSET_ERR_INVALID_CIDR;
483
484 ip6_netmask(&e.ip[0], e.cidr[0]);
485 ip6_netmask(&e.ip[1], e.cidr[1]);
486
487 if (tb[IPSET_ATTR_PORT])
488 e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
489 else
490 return -IPSET_ERR_PROTOCOL;
491
492 if (tb[IPSET_ATTR_PROTO]) {
493 e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
494 with_ports = ip_set_proto_with_ports(e.proto);
495
496 if (e.proto == 0)
497 return -IPSET_ERR_INVALID_PROTO;
498 } else
499 return -IPSET_ERR_MISSING_PROTO;
500
501 if (!(with_ports || e.proto == IPPROTO_ICMPV6))
502 e.port = 0;
503
504 if (tb[IPSET_ATTR_CADT_FLAGS]) {
505 u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
506 if (cadt_flags & IPSET_FLAG_NOMATCH)
507 flags |= (IPSET_FLAG_NOMATCH << 16);
508 }
509
510 if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
511 ret = adtfn(set, &e, &ext, &ext, flags);
512 return ip_set_enomatch(ret, flags, adt, set) ? -ret :
513 ip_set_eexist(ret, flags) ? 0 : ret;
514 }
515
516 port = ntohs(e.port);
517 port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
518 if (port > port_to)
519 swap(port, port_to);
520
521 if (retried)
522 port = ntohs(h->next.port);
523 for (; port <= port_to; port++) {
524 e.port = htons(port);
525 ret = adtfn(set, &e, &ext, &ext, flags);
526
527 if (ret && !ip_set_eexist(ret, flags))
528 return ret;
529 else
530 ret = 0;
531 }
532 return ret;
533 }
534
535 static struct ip_set_type hash_netportnet_type __read_mostly = {
536 .name = "hash:net,port,net",
537 .protocol = IPSET_PROTOCOL,
538 .features = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2 |
539 IPSET_TYPE_NOMATCH,
540 .dimension = IPSET_DIM_THREE,
541 .family = NFPROTO_UNSPEC,
542 .revision_min = IPSET_TYPE_REV_MIN,
543 .revision_max = IPSET_TYPE_REV_MAX,
544 .create = hash_netportnet_create,
545 .create_policy = {
546 [IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 },
547 [IPSET_ATTR_MAXELEM] = { .type = NLA_U32 },
548 [IPSET_ATTR_PROBES] = { .type = NLA_U8 },
549 [IPSET_ATTR_RESIZE] = { .type = NLA_U8 },
550 [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
551 [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
552 },
553 .adt_policy = {
554 [IPSET_ATTR_IP] = { .type = NLA_NESTED },
555 [IPSET_ATTR_IP_TO] = { .type = NLA_NESTED },
556 [IPSET_ATTR_IP2] = { .type = NLA_NESTED },
557 [IPSET_ATTR_IP2_TO] = { .type = NLA_NESTED },
558 [IPSET_ATTR_PORT] = { .type = NLA_U16 },
559 [IPSET_ATTR_PORT_TO] = { .type = NLA_U16 },
560 [IPSET_ATTR_CIDR] = { .type = NLA_U8 },
561 [IPSET_ATTR_CIDR2] = { .type = NLA_U8 },
562 [IPSET_ATTR_PROTO] = { .type = NLA_U8 },
563 [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
564 [IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
565 [IPSET_ATTR_LINENO] = { .type = NLA_U32 },
566 [IPSET_ATTR_BYTES] = { .type = NLA_U64 },
567 [IPSET_ATTR_PACKETS] = { .type = NLA_U64 },
568 [IPSET_ATTR_COMMENT] = { .type = NLA_NUL_STRING },
569 },
570 .me = THIS_MODULE,
571 };
572
573 static int __init
574 hash_netportnet_init(void)
575 {
576 return ip_set_type_register(&hash_netportnet_type);
577 }
578
579 static void __exit
580 hash_netportnet_fini(void)
581 {
582 ip_set_type_unregister(&hash_netportnet_type);
583 }
584
585 module_init(hash_netportnet_init);
586 module_exit(hash_netportnet_fini);
587
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